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install_process_keyring() may return a broken error code if it encounters an OOM condition. The problem is this line:
return ret != -EEXIST ?: 0;
which will return the result of the comparison if it succeeds (i.e. 1). What it should return is ret.
This isn't too much of a problem. The worst that can happen is that lookup_user_key() keeps looping around until the OOM condition goes away, but it is allowed to sleep whilst allocating memory.
Comment 3RHEL Program Management
2010-10-28 12:29:32 UTC
This request was evaluated by Red Hat Product Management for inclusion
in a Red Hat Enterprise Linux maintenance release. Product Management has
requested further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products. This request is not yet committed for inclusion in an Update release.
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.
http://rhn.redhat.com/errata/RHSA-2011-0542.html
install_process_keyring() may return a broken error code if it encounters an OOM condition. The problem is this line: return ret != -EEXIST ?: 0; which will return the result of the comparison if it succeeds (i.e. 1). What it should return is ret. This isn't too much of a problem. The worst that can happen is that lookup_user_key() keeps looping around until the OOM condition goes away, but it is allowed to sleep whilst allocating memory.